333 lines
11 KiB
JavaScript
333 lines
11 KiB
JavaScript
// Timeline drag and drop
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const tl_cont_attr = {id:"tl_cont", ondrop: "drop(event, this)", ondragover:"allowDrop(event)"};
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const tl_drag_attr = {id:"tl_drag", draggable:"true", ondragstart:"drag(event, this)"};
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// Config
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var timeline_color_cursor = "#FF8839";
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var timeline_color_bg = "#2EB8E6";
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var src_id = "";
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var medias_status = {};
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function updatePlaylist(){
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var new_list = [];
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var media_count = document.getElementById("timeline").children.length;
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for (i=media_count,l=0;i>l;i--) {
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//~ new_list.push(document.getElementById("timeline").children[i].children[0].getAttribute("media_id"));
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toMove = document.getElementById("timeline").children[i-1].children[0].getAttribute("media_id");
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console.log(toMove);
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sendCmd("/all/move/" + toMove + "/1");
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}
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}
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function findTargetIndex(element, index, array, thisArg){
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if (element == this) {
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return index+1;
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}
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return 0;
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};
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function moveElements(target) {
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var elem_list = Array.from(src_id.parentElement.children);
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var elem_list_slice = elem_list;
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var source_idx = elem_list.findIndex(findTargetIndex, src_id);
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var target_idx = elem_list.findIndex(findTargetIndex, target);
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var idx;
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if (source_idx < target_idx) {
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elem_list_slice = elem_list.slice(source_idx+1, target_idx+1);
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idx = source_idx;
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} else {
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elem_list_slice = elem_list.slice(target_idx, source_idx );
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idx = target_idx+1;
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}
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for (i=0, l=elem_list_slice.length; i<l;i++) {
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elem_list[idx+i].appendChild(elem_list_slice[i].children[0]);
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}
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return target;
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};
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function allowDrop(ev) {
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ev.preventDefault();
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drop_id = ev.dataTransfer.getData("text");
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};
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function drag(ev, source) {
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src_id = ev.target.parentElement;
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ev.dataTransfer.setData("text", ev.target.id);
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};
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function drop(ev, target) {
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ev.preventDefault();
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var data = ev.dataTransfer.getData("text");
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if (src_id.id != target.id) {
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dropTarget = moveElements(target);
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if (dropTarget) {
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dropTarget.appendChild(document.getElementById(data));
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updatePlaylist();
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}
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}
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};
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function adjustTl() {
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var child = document.getElementById('timeline').children;
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var divWidth = 100 / child.length;
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for (i=0, l=child.length;i<l;i++) {
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child[i].style.width= divWidth + "%";
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}
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};
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function addAttr(id, attr, val , child=-1) {
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var elem = document.getElementById(id);
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if (child>-1){
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elem = elem.children[child];
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}
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var att = document.createAttribute(attr);
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att.value = val;
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elem.setAttributeNode(att);
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};
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function addElement(type, attr, meta = 0, j = 0){
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var elem = document.createElement(type);
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var keys_array = Object.keys(attr);
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for (i=0, l=keys_array.length;i<l;i++) {
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var att = document.createAttribute(keys_array[i]);
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if(!i){
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att.value = Object.values(attr)[i]+j;
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} else {
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att.value = Object.values(attr)[i];
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}
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elem.setAttributeNode(att);
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}
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// Set playlist id attribute
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if (meta) {
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att = document.createAttribute("media_id");
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att.value = meta[0];
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elem.setAttributeNode(att);
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}
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// Get filename
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elem.innerText = meta[1];
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return elem;
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};
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var scanInterval = 3000;
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// Bouttons de commande
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addEventListener("DOMContentLoaded", function() {
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sendCmd("/scan");
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sendCmd("/browse");
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sendCmd("/all/rssi");
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sendCmd("/all/list");
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adjustTl();
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// Tous les elements avec la classe ".command"
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var commandButtons = document.querySelectorAll(".command");
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for (var i=0, l=commandButtons.length; i<l; i++) {
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var button = commandButtons[i];
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// Sur un click
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button.addEventListener("click", function(event) {
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// On intercepte le signal
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event.preventDefault();
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// On recupere la valeur de value="" sur le bouton
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var clickedButton = event.currentTarget;
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var command = clickedButton.value;
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if ( command.indexOf("/reboot" ) > -1 || command.indexOf("/poweroff") > -1 ) {
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if ( !confirm("Êtes vous certain de vouloir effectuer cette action ?") ) {
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return 0;
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}
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} else if ( command == "/scan" ) {
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document.getElementById("status_all").innerHTML = "Searching network for live hosts...";
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} else if ( command.indexOf("/sort") > -1 ){
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if (command.indexOf('/1/') > -1 ) {
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clickedButton.value = clickedButton.value.replace('/1/','/0/')
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} else {
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clickedButton.value = clickedButton.value.replace('/0/','/1/')
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}
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} else if ( command.indexOf("/move") > -1 ) {
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const test_array = [21,19,20];
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for (i=test_array.length, l=0;i>l;i--){
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console.log(test_array[i-1]);
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sendCmd("/all/move/" + test_array[i-1] + "/1");
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};
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sendCmd("/all/list");
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//setInterval( sendCmd, scanInterval, "/all/move/16/1");
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};
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// On envoie la commande en AJAX
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var request = new XMLHttpRequest();
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if ( command == "/scan" ) {
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request.onload = sendCmd(command);
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}
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// On construit la commande
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request.open("GET", command, true);
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// et on l'envoie
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request.send();
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});
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}
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}, true);
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// Affichage des infos
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function parseResult(command, infos_array) {
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switch (command) {
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case "/all/status":
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// Iterate over array
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for (var i = 0, l=infos_array.length; i<l; i++) {
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// Get filename, time/length
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document.getElementById("status_"+infos_array[i].host).innerHTML = infos_array[i].file + " <br/> " + infos_array[i].time + " / " + infos_array[i].leng;
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medias_status[infos_array[i].id] = infos_array[i].pos;
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// Find currently playing element
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//~ var pl_length = document.getElementById("timeline").getAttribute("length");
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//~ for (j=0,k=pl_length;j<k;j++){
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//~ if (document.getElementById("timeline").children[j].children[0].getAttribute('media_id') == infos_array[i].id ) {
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//~ addAttr(document.getElementById("timeline").children[j].children[0].id, "pos", infos_array[i].pos);
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//~ }
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//~ };
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//~ document.getElementById("timeline").children[0].children[0].hasAttribute('media_id')
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// Toggle loop indicator
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if (infos_array[i].loop == "true") {
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document.getElementById("loop_ind_" + infos_array[i].host).style.backgroundColor = "#0f0"
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} else {
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document.getElementById("loop_ind_" + infos_array[i].host).style.backgroundColor = "#f00"
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};
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// Toggle repeat indicator
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if (infos_array[i].repeat == "true") {
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document.getElementById("repeat_ind_" + infos_array[i].host).style.backgroundColor = "#0f0"
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} else {
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document.getElementById("repeat_ind_" + infos_array[i].host).style.backgroundColor = "#f00"
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};
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};
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break;
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case "/all/list":
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for (var i = 0, l=infos_array.length; i<l; i++) {
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// Fill Playlist infos
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document.getElementById("playlist_"+infos_array[i].host).innerHTML = infos_array[i].leng + " item(s) in playlist - " + infos_array[i].duration;
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// Build html table and timeline
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var items_array = Array.from(infos_array[i].items);
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console.log(items_array.length);
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if (items_array.length == 0){
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var child_list = Array.from(document.getElementById("timeline").children);
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for(i=0,l=child_list.length;i<l;i++){
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document.getElementById("timeline").removeChild(child_list[i]);
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};
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break;
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}
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var html_table = "<table>" +
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"<tr>" +
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"<th>Id</th>" +
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"<th>Filename</th>" +
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"<th>Duration</th>" +
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"</tr>";
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for (var j = 0, k=items_array.length; j<k; j++) {
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// Table
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item_meta = items_array[j].split(';');
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html_table += "<tr>" +
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"<td>" + item_meta[0] + "</td>" +
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"<td>" + item_meta[1] + "</td>" +
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"<td>" + item_meta[2] + "</td>" +
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"</tr>" ;
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// Timeline
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var child_node = addElement("div", tl_drag_attr, item_meta, j);
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var len = document.getElementById("timeline").children.length;
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addAttr("timeline", "length", len);
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if ( len < items_array.length ) {
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document.getElementById("timeline").appendChild( addElement("div", tl_cont_attr, 0, len) );
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}
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document.getElementById(tl_cont_attr.id + j).replaceChildren(child_node);
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// Adjust elements width
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adjustTl();
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// Highlight currently playing element
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if (item_meta[3] != ""){
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document.getElementById(tl_cont_attr.id + j).children[0].style.borderBottom = "4px solid " + timeline_color_cursor;
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document.getElementById(tl_cont_attr.id + j).children[0].style.fontWeight = "bold";
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var pos = medias_status[item_meta[0]] * 100;
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//~ pos = pos.toPrecision(2);
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var pos1 = pos-1 + "%";
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pos = pos + "%";
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//console.log( "linear-gradient(90deg," + timeline_color2 + " " + pos1 + ", " + timeline_color1 + " " + pos + ", " + timeline_color2 + " " + pos + ")" );
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document.getElementById(tl_cont_attr.id + j).children[0].style.background = "linear-gradient(90deg," + timeline_color_bg + " " + pos1 + ", " + timeline_color_cursor + " " + pos + ", " + timeline_color_bg + " " + pos + ")";
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}
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}
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html_table += "</table>";
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document.getElementById("playlist_"+infos_array[i].host).innerHTML += html_table;
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};
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break;
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case "/scan":
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var host_up = infos_array[0];
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var host_down = infos_array[1];
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for ( var i=0, l=host_up.length; i<l; i++){
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document.getElementById(host_up[i]).style.display = 'block';
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}
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for ( var i=0, l=host_down.length; i<l; i++){
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document.getElementById(host_down[i]).style.display = 'none';
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}
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//~ if (host_up.length) {
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//~ scanInterval = 10000;
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//~ document.getElementById("status_all").innerHTML = "Scan intarvel set to " + scanInterval;
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//~ }
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document.getElementById("status_all").innerHTML = host_up.length + " client(s) found.";
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break;
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case "/browse":
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var html_table = "<table>" +
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"<tr>" +
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"<th>Filename</th>" +
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"<th>Duration</th>" +
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"</tr>";
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for (var j = 0, k=infos_array.length; j<k; j++) {
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html_table += "<tr>" +
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"<td>" + infos_array[j] + "</td>" +
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"<td>" + "00:00" + "</td>" +
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"</tr>" ;
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}
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html_table += "</table>";
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document.getElementById("filelist").innerHTML += html_table;
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break;
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case "/all/rssi":
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var signal_color = 40;
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var best_rssi = 30;
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var worst_rssi = 70;
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for (var j = 0, k=infos_array.length; j<k; j++) {
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var rssi_norm = Math.ceil( (worst_rssi - parseInt(infos_array[j].rssi) ) / ( worst_rssi - best_rssi ) * 4 );
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signal_color = (rssi_norm-1) * signal_color;
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// Reset to grey
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for (i=0, l=4; i<l;i++) {
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document.getElementById("wl_"+i).style.backgroundColor = "hsl(0, 0%, 65%)";
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};
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// Color it
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for (i=0, l=rssi_norm; i<l;i++) {
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document.getElementById("wl_"+i).style.backgroundColor = "hsl(" + signal_color + ", 100%, 50%)";
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};
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};
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break;
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}; // End switch case
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};
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function sendCmd(command) {
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var request = new XMLHttpRequest();
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request.onload = function() {
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if (request.readyState === request.DONE) {
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if (request.status === 200) {
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// responseText is a string, use parse to get an array.
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var infos_array = JSON.parse(request.responseText);
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//console.log(infos_array);
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parseResult(command, infos_array);
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//return infos_array;
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};
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};
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};
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// On construit la commande
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request.open("GET", command, true);
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// et on l'envoie
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request.send();
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};
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setInterval( sendCmd, 500, "/all/status");
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setInterval( sendCmd, 1000, "/all/list");
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setInterval( sendCmd, scanInterval, "/scan");
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setInterval( sendCmd, 10000, "/all/rssi");
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/* TODO :
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* Change scanInterval after first results are in (3 to 30 seconds)
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*
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*/
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